Those found guilty of breaking the law could face fines, medical license revocation or suspension.

Conversion therapy involving a minor is already banned in nine states ― California, Connecticut, Nevada, New Jersey, Oregon, Illinois, Vermont, New Mexico and Rhode Island ― as well as the District of Columbia. New Hampshire’s House of Representatives last month passed a similar bill that bans the practice.That bill is slated to go before the state’s Senate, whichrejected a similar bill in January.

“Children across the Evergreen State deserve to live their lives authentically and should never be subjected to the abusive practice of so-called conversion therapy,” HRC Senior Vice President for Policy and Political Affairs JoDee Winterhof said.